Non-Itchy Red Rashes: Causes and Concerns for Men - Dermatology

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Hello Doctor: I have a habit of masturbating, and about a month ago, after masturbating, I developed small red bumps on both sides of my shoulders that are neither painful nor itchy.
I thought they would go away, so I didn't pay much attention to them.
However, after each time I masturbate, I notice that small red bumps appear on the right side of my torso, which are also not painful or itchy.
I observed that even when I refrained from masturbation, if I experienced any symptoms of fever, small red bumps would appear near my abdomen, but they would fade a little by the next day.
I visited a dermatologist and explained my symptoms, and the doctor mentioned that it should not be related to masturbation and could be due to insect bites or something else.
I have been applying medication for almost a month, but there hasn't been much improvement.
I have not engaged in sexual relations with anyone nor have I been in contact with anyone with a sexually transmitted infection; it's just simple masturbation, which is something that most men do, right? Please help clarify this for me.
Thank you.

Niming, 20~29 year old female. Ask Date: 2016/07/24

Dr. Wu Yuxin reply Dermatology


It has nothing to do with masturbation.

Reply Date: 2016/07/24

More Info


When it comes to non-itchy red rashes, especially in the context of your situation, there are several potential causes that could be relevant. Based on your description, it seems that you are experiencing small red bumps on your shoulders and torso that appear after masturbation or when your body temperature rises. While it’s understandable to be concerned about these symptoms, it’s important to consider various factors that could be contributing to your condition.

Firstly, the appearance of red rashes that are not itchy or painful can be indicative of several benign skin conditions. One possibility is that these rashes could be related to a condition known as heat rash or miliaria, which occurs when sweat gets trapped in the skin. This is particularly common in warmer weather or after physical exertion, such as during masturbation, which can elevate your body temperature. Heat rash typically resolves on its own once the skin cools down.

Another potential cause could be folliculitis, which is the inflammation of hair follicles. This can occur due to various reasons, including friction from clothing, sweating, or even irritation from personal care products. If the red bumps are located in areas where there is friction or sweating, this could be a plausible explanation.

Additionally, it’s worth considering that insect bites, such as from mosquitoes or other bugs, can also cause localized red bumps that may not itch or hurt significantly. If you’ve been in environments where insect exposure is possible, this could be a contributing factor.

You mentioned that a dermatologist evaluated your condition and suggested that it might not be related to masturbation but rather to insect bites or another benign cause. This is a reasonable assessment, especially if the rashes have not worsened or changed significantly over time. However, if you notice any new symptoms, such as increased redness, swelling, or the development of itching or pain, it would be wise to follow up with your healthcare provider.

It’s also important to maintain good hygiene practices, especially in areas prone to sweating or friction. Wearing loose-fitting clothing and ensuring that your skin is clean and dry can help prevent irritation and the development of rashes.

In terms of your concerns about sexual health, it’s reassuring to note that you have not engaged in sexual activities that could expose you to sexually transmitted infections (STIs). Masturbation itself is a normal and healthy sexual activity for many men and is not inherently linked to the development of skin rashes.
If the rashes persist despite conservative measures, or if you have any ongoing concerns about your skin or sexual health, it may be beneficial to seek a second opinion or further evaluation from a dermatologist. They can provide a more thorough examination and may suggest additional diagnostic tests if necessary.

In summary, while non-itchy red rashes can be concerning, many benign causes exist that are not related to serious health issues. Maintaining good skin care, monitoring your symptoms, and consulting with healthcare professionals when needed can help you manage your concerns effectively.

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